No, when he speaks rationally we agree, when he speaks irrationally we disagree. He is speaking irrationally and conservatives will disagree. Unless you are talking about so called conservatives, such as some talking heads have positioned themselves as being conservative, which proves they are not really conservatives at all.
I agree, a thoughtful conservative would not be overly influenced by Dershowitz.
I do think he is being force fed by the media, and there is no appetite for him outside of the tv studios.